(19)

(11)

EP 4 128 994 A1

(12)

(43) Date of publication: 08.02.2023 Bulletin 2023/06 (21) Application number: 21774575.1 (22) Date of filing: 26.03.2021

(51) International Patent Classification (IPC):  H04W 76/27(2018.01) H04W 76/16(2018.01) H04W 76/19(2018.01) (52) Cooperative Patent Classification (CPC): H04W 76/27; H04W 76/20; H04W 76/15; Y02D 30/70 (86) International application number: PCT/KR2021/003785 (87) International publication number: WO 2021/194306 (30.09.2021 Gazette 2021/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 26.03.2020 KR 20200036700 (71) Applicant: LG Electronics Inc. Seoul 07336 (KR)	(72) Inventors: XU, Jian Seoul 06772 (KR) HONG, Jongwoo Seoul 06772 (KR) BYUN, Daewook Seoul 06772 (KR) KIM, Seokjung Seoul 06772 (KR) (74) Representative: Mooser, Sebastian Thomas  Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstraße 2 81541 München 81541 München (DE)